So I got my first Honda a week ago. It's a 89 civic si. It's got a b16. Crx seats and dash. Other then that I have no idea what i got. I was told it's has a p28. But I don't know how to tell. It's got a check engine light for what i was told an O2 sensor. And I have the harness and a 4 wire heater oxygen sensor. But no idea how to wire it up. Also no idea what kinda of trans it has. I can get the number off it tomorrow at work. Any help is much appreciated. Side note. I don't have a pc. Just an iPad. How do I upload pics?